DirectoryIterator_WIN32U.cpp

//// DirectoryIterator_WIN32U.cpp//// $Id: //poco/1.3/Foundation/src/DirectoryIterator_WIN32U.cpp#4 $//// Library: Foundation// Package: Filesystem// Module: DirectoryIterator//// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.// and Contributors.//// Permission is hereby granted, free of charge, to any person or organization// obtaining a copy of the software and accompanying documentation covered by// this license (the "Software") to use, reproduce, display, distribute,// execute, and transmit the Software, and to prepare derivative works of the// Software, and to permit third-parties to whom the Software is furnished to// do so, all subject to the following:// // The copyright notices in the Software and this entire statement, including// the above license grant, this restriction and the following disclaimer,// must be included in all copies of the Software, in whole or in part, and// all derivative works of the Software, unless such copies or derivative// works are solely in the form of machine-executable object code generated by// a source language processor.// // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER// DEALINGS IN THE SOFTWARE.//#include "Poco/DirectoryIterator_WIN32U.h"#include "Poco/File_WIN32U.h"#include "Poco/Path.h"#include "Poco/UnicodeConverter.h"#include <cstring>namespace Poco {
DirectoryIteratorImpl::DirectoryIteratorImpl(const std::string& path): _fh(INVALID_HANDLE_VALUE), _rc(1)
{
Path p(path);
p.makeDirectory();
std::string findPath = p.toString();
findPath.append("*");
std::wstring uFindPath;
UnicodeConverter::toUTF16(findPath, uFindPath);
_fh = FindFirstFileW(uFindPath.c_str(), &_fd);
if (_fh == INVALID_HANDLE_VALUE)
{
if (GetLastError() != ERROR_NO_MORE_FILES)
File::handleLastError(path);
}
else
{
UnicodeConverter::toUTF8(_fd.cFileName, _current);
if (_current == "." || _current == "..")
next();
}
}
DirectoryIteratorImpl::~DirectoryIteratorImpl()
{
if (_fh != INVALID_HANDLE_VALUE)
FindClose(_fh);
}
const std::string& DirectoryIteratorImpl::next()
{
do
{
_current.clear();
if (FindNextFileW(_fh, &_fd) != 0)
{
UnicodeConverter::toUTF8(_fd.cFileName, _current);
}
}
while (_current == "." || _current == "..");
return _current;
}
} // namespace Poco